Gun sight set



FIG. 1 is a front elevational view of a gun sight set showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a right side elevational view thereof.

The broken line showing of a partial gun, in FIGS. 1-4, is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a gun sight set, as shown and described. 